
pub const CONNECT: u8 = 0;
pub const ACK: u8 = 1;
pub const PING: u8 = 2;
pub const PONG: u8 = 3;
pub const REQUEST: u8 = 4;
pub const RESPONSE: u8 = 5;
pub const NOTIFY: u8 = 6;
pub const NOTIFY_ACK: u8 = 7;
pub const SIMPLE_REQUEST: u8 = 8;
pub const SIMPLE_RESPONSE: u8 = 9;

pub const TS_MAX: u8 = SIMPLE_RESPONSE;